free-tool-strategy

When the user wants to plan, evaluate, or build a free tool for marketing purposes — lead generation, SEO value, or brand awareness. Also use when the user mentions "engineering as marketing," "free tool," "marketing tool," "calculator," "generator," "interactive tool," "lead gen tool," "build a tool for leads," or "free resource." This skill bridges engineering and marketing — useful for founders and technical marketers.

Quality

66%

Does it follow best practices?

Impact

—

No eval scenarios have been run

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./config/claude/skills/free-tool-strategy/SKILL.md

Quality

Discovery

82%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

This description has strong completeness with explicit 'when' triggers and good trigger term coverage. Its main weaknesses are moderate specificity — it describes the domain well but doesn't enumerate concrete deliverables or actions — and some overlap risk with general development or marketing skills. The description is functional and would likely be selected correctly in most cases.

Suggestions

Add more specific concrete actions like 'design tool concepts, estimate lead generation potential, scaffold interactive calculators/generators, create landing page copy' to improve specificity.

Differentiate more clearly from general development or marketing skills by emphasizing the unique intersection, e.g., 'Does NOT handle general web development or broad marketing strategy — focuses specifically on building free tools as a marketing channel.'

Dimension	Reasoning	Score
Specificity	The description names the domain (free tools for marketing) and mentions some actions like 'plan, evaluate, or build,' but doesn't list specific concrete actions such as 'generate wireframes,' 'estimate ROI,' or 'create landing pages.' The actions remain somewhat high-level.	2 / 3
Completeness	Clearly answers both 'what' (plan, evaluate, or build free tools for marketing — lead generation, SEO value, brand awareness) and 'when' (explicit 'Use when' clause with detailed trigger terms and scenarios).	3 / 3
Trigger Term Quality	Excellent coverage of natural trigger terms: 'engineering as marketing,' 'free tool,' 'marketing tool,' 'calculator,' 'generator,' 'interactive tool,' 'lead gen tool,' 'build a tool for leads,' 'free resource.' These are terms users would naturally say when seeking this kind of help.	3 / 3
Distinctiveness Conflict Risk	The niche of 'engineering as marketing' is fairly distinct, but terms like 'build a tool,' 'calculator,' 'generator,' and 'interactive tool' could overlap with general coding/development skills or generic marketing skills. The description could conflict with a general web development skill or a broader marketing strategy skill.	2 / 3
	Total	10 / 12 Passed

Implementation

50%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

This is a well-structured strategic planning skill that covers the engineering-as-marketing concept comprehensively. Its main weakness is that it reads more like a strategy guide than an actionable skill — it lacks concrete implementation examples, executable code, or specific templates that Claude could directly use. The frameworks and scorecards are useful but the skill would benefit from more specificity and tighter prose.

Suggestions

Add at least one concrete example output — e.g., a completed evaluation scorecard for a hypothetical tool, or a sample tool brief/spec that Claude would generate.

Include a clear numbered workflow with explicit checkpoints: e.g., '1. Gather context → 2. Ideate 3 tool concepts → 3. Score each with evaluation scorecard → 4. Present recommendation with rationale → 5. Scope MVP if approved.'

Trim 'Core Principles' to a brief checklist — Claude doesn't need explanations of why tools should 'solve a real problem' or be 'simple and focused'; these are self-evident strategic concepts.

Add a concrete output template or format specification showing what the deliverable should look like (e.g., a tool strategy brief with sections for concept, audience, MVP scope, lead capture plan, and scorecard).

Dimension	Reasoning	Score
Conciseness	The skill is reasonably organized but includes some content Claude already knows (e.g., explaining why free tools attract links, general advice like 'solves a real problem'). Several sections like 'Core Principles' state obvious strategic truisms that don't add actionable value. Could be tightened by ~30%.	2 / 3
Actionability	Provides structured frameworks (evaluation scorecard, gating options table, ideation framework) which are useful, but lacks concrete executable examples — no code snippets, no specific tool-building commands, no template outputs. For a skill that mentions 'build a free tool,' the absence of any implementation guidance (even a sample calculator scaffold or landing page template) limits actionability.	2 / 3
Workflow Clarity	There's a logical progression from assessment → ideation → validation → build → lead capture, but it's implicit rather than explicitly sequenced. No validation checkpoints exist (e.g., 'validate idea before building,' 'test lead capture before promoting'). The MVP scope section hints at a workflow but doesn't provide a clear step-by-step process with decision points or feedback loops.	2 / 3
Progressive Disclosure	References 'references/tool-types.md' for detailed tool types and links to related skills at the bottom, which is good structure. However, the bundle has no files, so the reference is unverifiable. The main content is fairly long and some sections (like Build vs. Buy, SEO Considerations) could be split into reference files. The related skills section at the end is a nice touch for navigation.	2 / 3
	Total	8 / 12 Passed

Validation

90%

Warnings & errors only

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 10 / 11 Passed

Validation for skill structure

Criteria	Description	Result
frontmatter_unknown_keys	Unknown frontmatter key(s) found; consider removing or moving to metadata	Warning

	Total	10 / 11 Passed

Repository: freekmurze/dotfiles
Commit: 3974caa

Reviewed: about 1 month ago

Table of Contents

Discovery Implementation Validation

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